Meaning of the word "complain of" in English

What does "complain of" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

complain of

US /kəmˈpleɪn ʌv/
UK /kəmˈpleɪn ʌv/
"complain of" picture

Phrasal Verb

1.

to say that you are suffering from a particular illness or pain

Example:
She began to complain of a headache.
Many patients complain of fatigue and muscle weakness.
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